
Rockbridge
- County:
- Greene County
- County Seat:
- No
- Area (mi²):
- 0.737
- State:
- Illinois
Rockbridge is a village located in Greene County, Illinois. Rockbridge has a 2025 population of 167. Rockbridge is currently declining at a rate of -1.18% annually and its population has decreased by -5.11% since the most recent census, which recorded a population of 176 in 2020.
The average household income in Rockbridge is $81,685 with a poverty rate of 6.96%. The median age in Rockbridge is 46.8 years: 46.9 years for males, and 46.8 years for females.